Item # 73457, KMM 4-4 Model 27 Inch (in) Length Membrane Dryer for Compressed Air On Compressed Air Systems, Inc.

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All Categories > Kaeser Products > Compressed Air Treatment > Dryers > Desiccant Dryers > Kaeser Modular Membrane (KMM) Dryers for Compressed Air > Item # 73457


	Item # 73457, KMM 4-4 Model 27 Inch (in) Length Membrane Dryer for Compressed Air
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Kaeser Modular Membrane (KMM) Dryers for Compressed Air

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Innovative, compact dryers for superior efficiency and reliability

The Kaeser Modular Membrane Dryer (KMM) produces pressure dew points to -40ºF. It is perfect for small to medium compressed air systems. KMMs do not require electricity or cooling water, which simplifies installation even in existing systems. They are particularly effective in reaching low pressure dew points when used with a refrigerated dryer and installed at the point of use.

Financing · Specifications · Dimensions · Outstanding Membrane Design · Versions and Options · Function of the Membrane Dryer Module · Standard Features · Optional Equipment · Additional Information · Note

Financing

Approve Payments		Finance with Approve Payments

Specifications

Brands		Kaeser Compressors

Model		KMM 4-4

Inlet/Outlet Connection Size		3/4 in

Inlet/Outlet Connections Type		National Pipe Thread (NPT)

Weight		14 lb

Inlet Temperature		40 ºF 60 ºF 100 ºF

Outlet Dew Point		20 ºF -20 ºF 40 ºF -40 ºF

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 40 ºF Inlet Temperature, and -20 ºF Outlet Dew Point		10.83 scfm

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 40 ºF Inlet Temperature, and -40 ºF Outlet Dew Point		8.46 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 40 ºF Inlet Temperature, and -20 ºF Outlet Dew Point		9.05 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 40 ºF Inlet Temperature, and -40 ºF Outlet Dew Point		6.68 scfm

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and 20 ºF Outlet Dew Point		15.72 scfm

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and -20 ºF Outlet Dew Point		9.24 scfm

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and -40 ºF Outlet Dew Point		7.36 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and 20 ºF Outlet Dew Point		13.94 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and -20 ºF Outlet Dew Point		7.46 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and -40 ºF Outlet Dew Point		5.58 scfm

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and 40 ºF Outlet Dew Point		13.69 scfm

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and 20 ºF Outlet Dew Point		10.94 scfm

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and -20 ºF Outlet Dew Point		7.22 scfm

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and -40 ºF Outlet Dew Point		5.87 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and 40 ºF Outlet Dew Point		11.91 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and 20 ºF Outlet Dew Point		9.16 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and -20 ºF Outlet Dew Point		5.44 scfm

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and -40 ºF Outlet Dew Point		4.09 scfm

Warranty		3 years

Dimensions

Length		27 in

Width		11 in

Outstanding Membrane Design

Super-Fine Membrane Fibers		Compared to conventional membrane fiber dryers, the fibers in the Kaeser membrane module many more fibers that are significantly finer, thereby increasing their surface area. In turn, this delivers superior drying performance compared to conventional designs. The high mechanical stability of the membrane fibers also helps ensure superior performance.

Flow Concept		The hollow membrane fibers consist of a highly porous support layer and an internal, water-permeable separation layer. The pressure differential between the moist compressed air outside the fiber and the almost atmospheric flow of purge air through the center encourages water molecules to permeate through the fiber wall. As a result, the pores of the support layer always remain permeable.

Efficient Drying		The spiral helical structure of the fibers in the inner chamber of the dryer module means that the module is now shorter, yet has the same drying capacity as previous, longer models - while still achieving a greater active membrane surface area per unit of volume. The helical fiber structure also promotes even distribution of air around the fibers and encourages the movement of water molecules.

Versions and Options

KMM with purge air stop valve for even greater energy savings

KMM membrane module with flow concept and helical fiber structure.
Solenoid pilot-valve: 230 V, 50 Hz, 240 V, 60 Hz, open when de-energized.
Configured and pre-assembled for immediate use.
Outlet silencer also included.

Function of the Membrane Dryer Module

Function of the Membrane Dryer Module		Moist compressed air flows into the module casing, where it comes into contact with the membrane fibers. A minimal amount of this now dry compressed air is used as purge air and is drawn upwards around the fibers and expands to atmospheric pressure. The resulting increase in volume increases the air’s water retention capacity. In combination with the selectivity of the membrane, the differing water content of the purge air flow and the flow of air to be dried (both flowing in opposite directions), allows water molecules - almost exclusively - to diffuse through the fiber wall. There are separate outlets for the dried compressed air and the purge air.

Standard Features

Space-saving modular design mates easily to prefilters .
No after-filter required.
Inside-to-outside permeation allows tight control of purge flow rate.
Replaceable membrane bundles combine convenience and simplicity.
Welded aluminum housings are lightweight and rugged.
Powder coating inside and out for excellent corrosion resistance

Optional Equipment

Purge Saver
Pre-filter packages
- Single pre-filter
- Dual pre-filters

Additional Information

Efficiency and Dependability

The KMM dryer provides many advantages over conventional membrane dryer models. The "inflow" design ensures outstanding drying results by effectively removing moisture, enhancing pressure stability and reducing pressure differential. The welded aluminum housing and epoxy powder coating provide durability in harsh environments. Its lightweight design requires no additional support structure, and the space-saving modular design connects easily to prefilters and after filters. In-line filters are recommended with a KMM to prevent contaminants from reaching the sensitive membrane fibers.

Note

Use inlet air temperature if the air entering the dryer has not been dried upstream (air is saturated). If air has been dried (e.g. in a refrigerated dryer) use the dew point temperature of the inlet air.

Flow capacities are at 100 psig. Capacities are established in accordance with CAGI Standard ADF 700; Membrane Compressed Air Dryers - Methods for Testing and Rating. Larger capacities, alternate pressures, and dew points consult factory.

Dimensions and weights are for reference only.

Specifications are subject to change without notice.

The standard one year warranty is extended to three years when the dryer is installed with an optional pre-filter package. To keep the warranty in effect, filter elements must be replaced at six month intervals and the drain mechanism yearly.

MORE IMAGES


	· Kaeser Modular Membrane (KMM) Dryers for Compressed Air - Flow Concept

	· Kaeser Modular Membrane (KMM) Dryers for Compressed Air - Efficient Dryers

	· Kaeser Modular Membrane (KMM) Dryers for Compressed Air - Function of the Membrane Dryer Module

	· Kaeser Modular Membrane (KMM) Dryers for Compressed Air - Super Fine Membrane Fibers

DOWNLOADS


		Brochure for Kaeser Modular Membrane (KMM) Dryers for Compressed Air (PDF, 403KB)

Item # 73457, KMM 4-4 Model 27 Inch (in) Length Membrane Dryer for Compressed Air

Approve Payments

Brands

Model

Inlet/Outlet Connection Size

Inlet/Outlet Connections Type

Weight

Inlet Temperature

Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 40 ºF Inlet Temperature, and -20 ºF Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 40 ºF Inlet Temperature, and -40 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 40 ºF Inlet Temperature, and -20 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 40 ºF Inlet Temperature, and -40 ºF Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and 20 ºF Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and -20 ºF Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and -40 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and 20 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and -20 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 60 ºF Inlet Temperature, and -40 ºF Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and 40 ºF Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and 20 ºF Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and -20 ºF Outlet Dew Point

Inlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and -40 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and 40 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and 20 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and -20 ºF Outlet Dew Point

Outlet Rated Flow Capacity at 100 Pound Per Square Inch Gauge (psig) Pressure, 100 ºF Inlet Temperature, and -40 ºF Outlet Dew Point

Warranty

Length

Width

Super-Fine Membrane Fibers

Flow Concept

Efficient Drying

Function of the Membrane Dryer Module